Alongside OS X Mountain Lion and a slew of other updates, Apple has taken Xcode 4.4 out of beta and is releasing it to the oMac App Store today. The new version is yet to show up in the Mac App Store, but it should shortly. Xcode 4.3.3 is currently on the Mac App Store free of charge. Xcode 4.5 – another major Xcode update – is current in beta/preview form. That will likely launch in the fall.
Update: It’s out on the App Store. Here are the release notes:
This update runs on both OS X Lion and OS X Mountain Lion.
Included in Xcode 4.4:
• SDKs for OS X 10.8 Mountain Lion and iOS 5.1.
• Enhanced for the MacBook Pro with Retina display.
• Code completion persists your selections to give more accurate suggestions.
• Objective-C @synthesize command is generated by default when using properties.
• Objective-C adds literal syntax for numbers, arrays, dictionaries, and expressions when developing for OS X.
• Apple LLVM compiler supports additional C++11 features, including lambdas.
• Assistant editor tracks caller or callee for the current selection.
• New localization workflow can share a single base .xib file for multiple locales on OS X.
• Source control can commit individually selected changes.
• ARC migration tool converts both retain/release and garbage collected code.
• Fixes an issue where code completion could fail, requiring the user to delete derived data.
• Additional bug fixes and stability improvements.